Sexual humour.

Jokes about violence. Most are silly and not meant to be taken seriously.

Tons of profanity such as numerous uses of fuck and motherfucker. Other language such as shit, ass, damn, etc.

Some racial language.

Richard Pryor does bits about intoxication and drunk driving.

Richard Pryor does bits about drugs including one long bit about shooting up heroin that is very painful emotionally.

We see brief shots of audiences that have alcoholic beverages at their tables.

The bit about shooting up heroin is long and cuts to the bone and many will find it quite disturbing.